tag	line	file	source code
rt_metric	37	include/linux/route.h	short    rt_metric;  /* +1 for binary compatibility!  */
rt_metric	1627	net/ipv4/route.c	metric = r->rt_metric > 0 ? r->rt_metric - 1 : 0;
rt_metric	1726	net/ipv4/route.c	(__u32)gtw->sin_addr.s_addr, r->rt_flags, r->rt_metric - 1);